642460304 has 40 divisors (see below), whose sum is σ = 1287054528. Its totient is φ = 310435200.

The previous prime is 642460289. The next prime is 642460339. The reversal of 642460304 is 403064246.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85799 + ... + 92985.

Almost surely, 2^642460304 is an apocalyptic number.

It is an amenable number.

642460304 is an abundant number, since it is smaller than the sum of its proper divisors (644594224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

642460304 is a wasteful number, since it uses less digits than its factorization.

642460304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383 (or 7377 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 642460304 is about 25346.8006659618. The cubic root of 642460304 is about 862.8767482143.

The spelling of 642460304 in words is "six hundred forty-two million, four hundred sixty thousand, three hundred four".